6904 Bearing Series
Deep groove ball bearing — multiple seal variants available
Common Dimensions
Bore (d)
20 mm
Outer Diameter (D)
37 mm
Width (B)
9 mm
Dimension series follows ISO 15 / DIN 625. Values are taken from the factory's parameter table.
Available Variants
| Model | Seal Type | d×D×B | Grease Speed | Oil Speed | Action |
|---|---|---|---|---|---|
| 69042RS | 2RS | 20×37×9 | 12,000 rpm | — | View Details → |
| 6904ZZ | ZZ | 20×37×9 | 19,000 rpm | — | View Details → |
| 6904RS | RS | 20×37×9 | 12,000 rpm | 22,000 rpm | View Details → |
| 6904RZ | RZ | 20×37×9 | 19,000 rpm | 22,000 rpm | View Details → |
| 69042RZ | 2RZ | 20×37×9 | 19,000 rpm | — | View Details → |
| 6904open | Open | 20×37×9 | 19,000 rpm | 22,000 rpm | View Details → |
| 6904Z | Z | 20×37×9 | 19,000 rpm | 22,000 rpm | View Details → |
Related specifications notes
Typical Applications
- Electric motors and generators
- Water pumps and fluid handling systems
- Agricultural machinery
- Home appliances
- General industrial applications
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